Why because its generally more known the T and the F says it all.
When people see the NEST logo and the other one they dont recignize it that good or not at all in contrast to the TF from Transformers if you wear that your already a die hard fan of the TF franchise.
And that Shootfortheedit on the back tells your a Michael Bay fan wich is great!

They sometimes re-use various soundtracks because they think its a good one or when they think people fergot about it, and if something was a flop then they also reuse material because the music is still good and the movie not when not many people see a movie it flops and they re-use it again.